{
  "classification_counts": {
    "crosswalk-gap": 5,
    "facet-guard-rejected": 3,
    "genuine-ambiguity": 18,
    "join-error": 1
  },
  "crosswalk_additions": {
    "almonds": "E",
    "citrusy": "C",
    "coffee": "E",
    "tarry": "T"
  },
  "crosswalk_additions_count": 4,
  "crosswalk_version": "v8.2",
  "diagnostic": "D3_masked_despite_text_crosswalk_repair",
  "facet_guard_audit_count": 59,
  "facet_guard_counts": {
    "masked": 14,
    "relabelled": 1,
    "stands": 44
  },
  "facet_guard_policy": "Single-token source labels stand only when the matched token is dominant. Secondary/dilution/trace facets are masked unless the source foregrounds a clean alternate class.",
  "labels_v8_1_count": 94,
  "labels_v8_2_count": 122,
  "labels_v8_2_pre_guard_count": 136,
  "masked_despite_text_records": 27,
  "new_authoritative_character_labels_delta": 28,
  "outputs": {
    "changelog": "artifacts/odour_character_crosswalk_v8_2_changelog.json",
    "crosswalk": "artifacts/odour_character_crosswalk_v8_2.json",
    "facet_guard_audit": "data/per_material_signal_inspection_v8_2.jsonl",
    "labels": "data/odour_character_labels_v8_2.jsonl"
  },
  "per_record": [
    {
      "candidate_additions": [
        "almonds"
      ],
      "cas": "100-52-7",
      "classification": "crosswalk-gap",
      "reason": "v8.2 literal descriptor addition maps source text to one unambiguous class.",
      "source_material_name": "BENZALDEHYDE",
      "v8_2_classes": [
        "E"
      ]
    },
    {
      "candidate_additions": [],
      "cas": "104-67-6",
      "classification": "genuine-ambiguity",
      "reason": "Arctander join exists but extracted odour text is empty/OCR-unusable.",
      "source_material_name": "gamma-UNDECALACTONE"
    },
    {
      "candidate_additions": [
        "citrusy"
      ],
      "cas": "112-44-7",
      "classification": "crosswalk-gap",
      "reason": "v8.2 literal descriptor addition maps source text to one unambiguous class.",
      "source_material_name": "UNDECANAL",
      "v8_2_classes": [
        "C"
      ]
    },
    {
      "candidate_additions": [
        "tarry"
      ],
      "cas": "120-72-9",
      "classification": "facet-guard-rejected",
      "dominant_character_assessment": "Matched token 'tarry' is a concentrated-state secondary facet. The work-order adjudication identifies Indole's dominant source character as animalic/faecal, so the material must not inherit T from the incidental tarry facet.",
      "final_class_or_masked": "U",
      "guard_action": "relabelled",
      "matched_token": "tarry",
      "matched_token_class": "T",
      "reason": "Matched token 'tarry' is a concentrated-state secondary facet. The work-order adjudication identifies Indole's dominant source character as animalic/faecal, so the material must not inherit T from the incidental tarry facet.",
      "source_material_name": "INDOLE",
      "v8_2_classes": [
        "T"
      ]
    },
    {
      "ambiguous_terms_seen": [],
      "candidate_additions": [],
      "cas": "122-78-1",
      "classification": "genuine-ambiguity",
      "reason": "No unambiguous v8.2 descriptor token found; broad terms remain masked.",
      "source_material_name": "PHENYLACETALDEHYDE"
    },
    {
      "candidate_additions": [],
      "cas": "141-25-3",
      "classification": "genuine-ambiguity",
      "reason": "Arctander join exists but extracted odour text is empty/OCR-unusable.",
      "source_material_name": "RHODINOL"
    },
    {
      "ambiguous_terms_seen": [],
      "candidate_additions": [],
      "cas": "515-03-7",
      "classification": "genuine-ambiguity",
      "reason": "No unambiguous v8.2 descriptor token found; broad terms remain masked.",
      "source_material_name": "SCLAREOL"
    },
    {
      "ambiguous_terms_seen": [],
      "candidate_additions": [],
      "cas": "515-69-5",
      "classification": "genuine-ambiguity",
      "reason": "No unambiguous v8.2 descriptor token found; broad terms remain masked.",
      "source_material_name": "BISABOLOL"
    },
    {
      "candidate_additions": [
        "citrusy"
      ],
      "cas": "5392-40-1",
      "classification": "crosswalk-gap",
      "reason": "v8.2 literal descriptor addition maps source text to one unambiguous class.",
      "source_material_name": "CITRAL",
      "v8_2_classes": [
        "C"
      ]
    },
    {
      "ambiguous_terms_seen": [],
      "candidate_additions": [],
      "cas": "67-64-1",
      "classification": "genuine-ambiguity",
      "reason": "No unambiguous v8.2 descriptor token found; broad terms remain masked.",
      "source_material_name": "ACETONE"
    },
    {
      "candidate_additions": [],
      "cas": "68127-65-1",
      "classification": "genuine-ambiguity",
      "reason": "Arctander join exists but extracted odour text is empty/OCR-unusable.",
      "source_material_name": "RHODINOL"
    },
    {
      "candidate_additions": [
        "coffee"
      ],
      "cas": "75-07-0",
      "classification": "facet-guard-rejected",
      "dominant_character_assessment": "Matched token 'coffee' appears only in 'in high dilution reminiscent of Coffee or Wine'; the source foregrounds pungent ethereal-nauseating odor, which does not map cleanly to one class.",
      "final_class_or_masked": "masked",
      "guard_action": "masked",
      "matched_token": "coffee",
      "matched_token_class": "E",
      "reason": "Matched token 'coffee' appears only in 'in high dilution reminiscent of Coffee or Wine'; the source foregrounds pungent ethereal-nauseating odor, which does not map cleanly to one class.",
      "source_material_name": "ACETALDEHYDE",
      "v8_2_classes": [
        "E"
      ]
    },
    {
      "candidate_additions": [],
      "cas": "80-56-8",
      "classification": "genuine-ambiguity",
      "reason": "Arctander join exists but extracted odour text is empty/OCR-unusable.",
      "source_material_name": "alpha-PINENE"
    },
    {
      "candidate_additions": [],
      "cas": "97-54-1",
      "classification": "genuine-ambiguity",
      "reason": "Arctander join exists but extracted odour text is empty/OCR-unusable.",
      "source_material_name": "iso-EUGENOL"
    },
    {
      "candidate_additions": [],
      "cas": "SMILES:C(CN)C(=O)O",
      "classification": "join-error",
      "reason": "SMILES-only material matched through an over-broad structural alias rather than a material name.",
      "source_material_name": "3-iso-BUTYLIDEN"
    },
    {
      "candidate_additions": [],
      "cas": "SMILES:CC(=O)OCC(COC(C)=O)OC(C)=O",
      "classification": "genuine-ambiguity",
      "reason": "Arctander join exists but extracted odour text is empty/OCR-unusable.",
      "source_material_name": "TRIACETIN"
    },
    {
      "candidate_additions": [],
      "cas": "SMILES:CC(C)[C@H](N)C(=O)O",
      "classification": "genuine-ambiguity",
      "reason": "Arctander join exists but extracted odour text is empty/OCR-unusable.",
      "source_material_name": "L-Valine."
    },
    {
      "candidate_additions": [
        "citrusy"
      ],
      "cas": "SMILES:CC1=CC=C(C(C)C)CC1",
      "classification": "crosswalk-gap",
      "reason": "v8.2 literal descriptor addition maps source text to one unambiguous class.",
      "source_material_name": "alpha-TERPINENE",
      "v8_2_classes": [
        "C"
      ]
    },
    {
      "candidate_additions": [],
      "cas": "SMILES:CC1=CCC2CC1C2(C)C",
      "classification": "genuine-ambiguity",
      "reason": "Arctander join exists but extracted odour text is empty/OCR-unusable.",
      "source_material_name": "alpha-PINENE"
    },
    {
      "candidate_additions": [
        "coffee"
      ],
      "cas": "SMILES:CCC=O",
      "classification": "facet-guard-rejected",
      "dominant_character_assessment": "Matched token 'coffee' appears only in extreme dilution; the source foregrounds a very diffusive, penetrating, suffocating/choking odor, which does not map cleanly to one class.",
      "final_class_or_masked": "masked",
      "guard_action": "masked",
      "matched_token": "coffee",
      "matched_token_class": "E",
      "reason": "Matched token 'coffee' appears only in extreme dilution; the source foregrounds a very diffusive, penetrating, suffocating/choking odor, which does not map cleanly to one class.",
      "source_material_name": "PROPIONALDEHYDE",
      "v8_2_classes": [
        "E"
      ]
    },
    {
      "ambiguous_terms_seen": [
        "anise",
        "anisic"
      ],
      "candidate_additions": [],
      "cas": "SMILES:COc1ccccc1",
      "classification": "genuine-ambiguity",
      "reason": "Source text contains weak, negated, or multi-class descriptor evidence with no dominant single class; masked beats guessed.",
      "source_material_name": "ANISOLE"
    },
    {
      "candidate_additions": [],
      "cas": "SMILES:Cc1ccc(C(C)C)c(O)c1",
      "classification": "genuine-ambiguity",
      "reason": "Arctander join exists but extracted odour text is empty/OCR-unusable.",
      "source_material_name": "THYMOL"
    },
    {
      "candidate_additions": [],
      "cas": "SMILES:Cc1ccccc1",
      "classification": "genuine-ambiguity",
      "reason": "Arctander join exists but extracted odour text is empty/OCR-unusable.",
      "source_material_name": "TOLUENE"
    },
    {
      "ambiguous_terms_seen": [],
      "candidate_additions": [],
      "cas": "SMILES:O=CCc1ccccc1",
      "classification": "genuine-ambiguity",
      "reason": "No unambiguous v8.2 descriptor token found; broad terms remain masked.",
      "source_material_name": "PHENYLACETALDEHYDE"
    },
    {
      "candidate_additions": [
        "tarry"
      ],
      "cas": "SMILES:c1ccc2ccccc2c1",
      "classification": "crosswalk-gap",
      "reason": "v8.2 literal descriptor addition maps source text to one unambiguous class.",
      "source_material_name": "NAPHTHALENE",
      "v8_2_classes": [
        "T"
      ]
    },
    {
      "ambiguous_terms_seen": [],
      "candidate_additions": [],
      "cas": "SMILES:c1ccc2ncccc2c1",
      "classification": "genuine-ambiguity",
      "reason": "No unambiguous v8.2 descriptor token found; broad terms remain masked.",
      "source_material_name": "QUINOLINE"
    },
    {
      "ambiguous_terms_seen": [],
      "candidate_additions": [],
      "cas": "SMILES:c1ccncc1",
      "classification": "genuine-ambiguity",
      "reason": "No unambiguous v8.2 descriptor token found; broad terms remain masked.",
      "source_material_name": "PYRIDINE"
    }
  ],
  "pimt_version": "v8"
}